doping odping dpoing pdoing opding poding doipng odipng diopng idopng oidpng iodpng dpiong pdiong dipong idpong pidong ipdong opidng poidng oipdng iopdng piodng ipodng dopnig odpnig dponig pdonig opdnig podnig donpig odnpig dnopig ndopig ondpig nodpig dpnoig pdnoig dnpoig ndpoig pndoig npdoig opndig pondig onpdig nopdig pnodig npodig doinpg odinpg dionpg idonpg oidnpg iodnpg donipg odnipg dnoipg ndoipg ondipg nodipg dinopg idnopg dniopg ndiopg indopg nidopg oindpg iondpg onidpg noidpg inodpg niodpg dpinog pdinog dipnog idpnog pidnog ipdnog dpniog pdniog dnpiog ndpiog pndiog npdiog dinpog idnpog dnipog ndipog indpog nidpog pindog ipndog pnidog npidog inpdog nipdog opindg poindg oipndg iopndg piondg ipondg opnidg ponidg onpidg nopidg pnoidg npoidg oinpdg ionpdg onipdg noipdg inopdg niopdg pinodg ipnodg pniodg npiodg inpodg nipodg dopign odpign dpoign pdoign opdign podign doipgn odipgn diopgn idopgn oidpgn iodpgn dpiogn pdiogn dipogn idpogn pidogn ipdogn opidgn poidgn oipdgn iopdgn piodgn ipodgn dopgin odpgin dpogin pdogin opdgin podgin dogpin odgpin dgopin gdopin ogdpin godpin dpgoin pdgoin dgpoin gdpoin pgdoin gpdoin opgdin pogdin ogpdin gopdin pgodin gpodin doigpn odigpn diogpn idogpn oidgpn iodgpn dogipn odgipn dgoipn gdoipn ogdipn godipn digopn idgopn dgiopn gdiopn igdopn gidopn oigdpn iogdpn ogidpn goidpn igodpn giodpn dpigon pdigon dipgon idpgon pidgon ipdgon dpgion pdgion dgpion gdpion pgdion gpdion digpon idgpon dgipon gdipon igdpon gidpon pigdon ipgdon pgidon gpidon igpdon gipdon opigdn poigdn oipgdn iopgdn piogdn ipogdn opgidn pogidn ogpidn gopidn pgoidn gpoidn oigpdn iogpdn ogipdn goipdn igopdn giopdn pigodn ipgodn pgiodn gpiodn igpodn gipodn dopngi odpngi dpongi pdongi opdngi podngi donpgi odnpgi dnopgi ndopgi ondpgi nodpgi dpnogi pdnogi dnpogi ndpogi pndogi npdogi opndgi pondgi onpdgi nopdgi pnodgi npodgi dopgni odpgni dpogni pdogni opdgni podgni dogpni odgpni dgopni gdopni ogdpni godpni dpgoni pdgoni dgponi gdponi pgdoni gpdoni opgdni pogdni ogpdni gopdni pgodni gpodni dongpi odngpi dnogpi ndogpi ondgpi nodgpi dognpi odgnpi dgonpi gdonpi ogdnpi godnpi dngopi ndgopi dgnopi gdnopi ngdopi gndopi ongdpi nogdpi ogndpi gondpi ngodpi gnodpi dpngoi pdngoi dnpgoi ndpgoi pndgoi npdgoi dpgnoi pdgnoi dgpnoi gdpnoi pgdnoi gpdnoi dngpoi ndgpoi dgnpoi gdnpoi ngdpoi gndpoi pngdoi npgdoi pgndoi gpndoi ngpdoi gnpdoi opngdi pongdi onpgdi nopgdi pnogdi npogdi opgndi pogndi ogpndi gopndi pgondi gpondi ongpdi nogpdi ognpdi gonpdi ngopdi gnopdi pngodi npgodi pgnodi gpnodi ngpodi gnpodi doingp odingp diongp idongp oidngp iodngp donigp odnigp dnoigp ndoigp ondigp nodigp dinogp idnogp dniogp ndiogp indogp nidogp oindgp iondgp onidgp noidgp inodgp niodgp doignp odignp diognp idognp oidgnp iodgnp doginp odginp dgoinp gdoinp ogdinp godinp digonp idgonp dgionp gdionp igdonp gidonp oigdnp iogdnp ogidnp goidnp igodnp giodnp dongip odngip dnogip ndogip ondgip nodgip dognip odgnip dgonip gdonip ogdnip godnip dngoip ndgoip dgnoip gdnoip ngdoip gndoip ongdip nogdip ogndip gondip ngodip gnodip dingop idngop dnigop ndigop indgop nidgop dignop idgnop dginop gdinop igdnop gidnop dngiop ndgiop dgniop gdniop ngdiop gndiop ingdop nigdop igndop gindop ngidop gnidop oingdp iongdp onigdp noigdp inogdp niogdp oigndp iogndp ogindp goindp igondp giondp ongidp nogidp ognidp gonidp ngoidp gnoidp ingodp nigodp ignodp ginodp ngiodp gniodp dpingo pdingo dipngo idpngo pidngo ipdngo dpnigo pdnigo dnpigo ndpigo pndigo npdigo dinpgo idnpgo dnipgo ndipgo indpgo nidpgo pindgo ipndgo pnidgo npidgo inpdgo nipdgo dpigno pdigno dipgno idpgno pidgno ipdgno dpgino pdgino dgpino gdpino pgdino gpdino digpno idgpno dgipno gdipno igdpno gidpno pigdno ipgdno pgidno gpidno igpdno gipdno dpngio pdngio dnpgio ndpgio pndgio npdgio dpgnio pdgnio dgpnio gdpnio pgdnio gpdnio dngpio ndgpio dgnpio gdnpio ngdpio gndpio pngdio npgdio pgndio gpndio ngpdio gnpdio dingpo idngpo dnigpo ndigpo indgpo nidgpo dignpo idgnpo dginpo gdinpo igdnpo gidnpo dngipo ndgipo dgnipo gdnipo ngdipo gndipo ingdpo nigdpo igndpo gindpo ngidpo gnidpo pingdo ipngdo pnigdo npigdo inpgdo nipgdo pigndo ipgndo pgindo gpindo igpndo gipndo pngido npgido pgnido gpnido ngpido gnpido ingpdo nigpdo ignpdo ginpdo ngipdo gnipdo opingd poingd oipngd iopngd piongd ipongd opnigd ponigd onpigd nopigd pnoigd npoigd oinpgd ionpgd onipgd noipgd inopgd niopgd pinogd ipnogd pniogd npiogd inpogd nipogd opignd poignd oipgnd iopgnd piognd ipognd opgind pogind ogpind gopind pgoind gpoind oigpnd iogpnd ogipnd goipnd igopnd giopnd pigond ipgond pgiond gpiond igpond gipond opngid pongid onpgid nopgid pnogid npogid opgnid pognid ogpnid gopnid pgonid gponid ongpid nogpid ognpid gonpid ngopid gnopid pngoid npgoid pgnoid gpnoid ngpoid gnpoid oingpd iongpd onigpd noigpd inogpd niogpd oignpd iognpd oginpd goinpd igonpd gionpd ongipd nogipd ognipd gonipd ngoipd gnoipd ingopd nigopd ignopd ginopd ngiopd gniopd pingod ipngod pnigod npigod inpgod nipgod pignod ipgnod pginod gpinod igpnod gipnod pngiod npgiod pgniod gpniod ngpiod gnpiod ingpod nigpod ignpod ginpod ngipod gnipod
Note: these 'words' (valid or invalid) are all the permutations of the word doping. These words are obtained by scrambling the letters in doping.